TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 31, 5:10 PM EST
Kalshi
This market focuses on determining which player will win the second set of a specific tennis match at the 2026 US Open. It reflects the competitive performance of the two athletes during that particular segment of play. The outcome depends entirely on the players' skills, strategies, and conditions during the match.
The market resolves based on which player wins the second set of the specified tennis match at the 2026 US Open. If the match does not occur before any play due to injury, walkover, forfeiture, or cancellation, it resolves to a fair price. Postponements or delays keep the market open until the rescheduled match concludes, with settlement within two weeks. If a player retires during the match, markets that can be settled based on completed play will resolve accordingly, while unresolved markets settle at a fair market price determined by the Exchange. Kalshi disclaims any official affiliation with the governing league, and all trademarks remain property of their respective owners.
Prediction market odds on Kalshi reflect the collective wisdom of participating traders, who continuously adjust prices based on new information and evolving match dynamics. These odds can diverge from traditional sportsbook lines, which are set by professional oddsmakers and may incorporate broader factors such as public betting trends or broader market patterns. Over time, this market’s prices may align more closely with sportsbook odds if major shifts occur, but they often provide a real-time, crowd-sourced alternative that reacts instantly to in-match developments and trader sentiment.
On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, traders manually set the odds for this market based on their expectations for Set 2. The current top outcome reflects the aggregate of all participant bets, with the probability displayed as a percentage. As new information emerges — such as player form, injuries, or in-game momentum — traders adjust their positions, causing the market price to shift. This decentralized pricing model captures a snapshot of collective insight into who might win the second set.
This market resolves around Aug 30, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winner of Set 2 will be determined by the official match result, and the market will close accordingly. Traders should monitor live match updates and authoritative sports news sources for confirmation of the set’s final score and winner.
Several signals could shift this market before it resolves, including key moments within the match such as breaks of serve, injury pauses, or changes in player strategy. External factors like weather conditions or crowd support may also impact performance. Any update to a player’s health status or a sudden change in form could cause traders to reassess their positions, leading to noticeable movement in the odds as the match approaches its conclusion.